Display screen with a transitional graphical user interface



FIG. 1 is a front view of a first image in a sequence for a display screen with a transitional graphical user interface;

FIG. 2 is a front view of a second image thereof;

FIG. 3 is a front view of a third image thereof;

FIG. 4 is a front view of a fourth image thereof;

FIG. 5 is a front view of a fifth image thereof;

FIG. 6 is a front view of a sixth image thereof; and,

FIG. 7 is a front view of a seventh image thereof.

The broken line showing of a display screen forms no part of the claimed design. The broken lines of text, numbers, icons, and boxes demonstrating portions of a graphical user interface displayed on the display screen in all views form no part of the claimed design. The areas filled in with stippling dots illustrate contrasting appearance and form a part of the claimed design. The areas filled in with fill lines illustrate an additional-contrasting appearance of a background fill and form a part of the claimed design.

The appearance of the image sequentially transitions between images shown in FIGS. 1 through 7 . The process or period in which one image changes to another forms no part of the claimed design. 

CLAIM The ornamental design for a display screen with a transitional graphical user interface, as shown and described. 